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<h2><span class="refentrytitle">Macro BOOST_YAP_USER_UDT_ANY_BINARY_OPERATOR</span></h2>
<p>BOOST_YAP_USER_UDT_ANY_BINARY_OPERATOR</p>
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<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../yap/reference.html#doxygen.headers.user__macros_8hpp" title="Header &lt;boost/yap/user_macros.hpp&gt;">boost/yap/user_macros.hpp</a>&gt;

</span>BOOST_YAP_USER_UDT_ANY_BINARY_OPERATOR(op_name, expr_template, udt_trait)</pre></div>
<div class="refsect1">
<a name="id-1.3.45.8.2.7.13.4"></a><h2>Description</h2>
<p>Defines a free/non-member operator overload for binary operator <span class="emphasis"><em>op_name</em></span> that produces an expression instantiated from the <span class="emphasis"><em>expr_template</em></span> expression template.</p>
<p>The <span class="emphasis"><em>lhs</em></span> and <span class="emphasis"><em>rhs</em></span> parameters to the defined operator overload may be any types that are <span class="bold"><strong>not</strong></span> expressions. Each parameter is wrapped in a terminal expression.</p>
<p>At least one of the parameters to the defined operator overload must be a type <code class="computeroutput">T</code> for which </p>
<pre class="programlisting"><span class="identifier">udt_trait</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">remove_cv_t</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">remove_reference_t</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;&gt;</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span> 
</pre>
<p> is true.</p>
<p>Example: </p>
<pre class="programlisting"></pre>
<p>
</p>
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<td><p><span class="term">Parameters:</span></p></td>
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<td><p><span class="term"><code class="computeroutput">expr_template</code></span></p></td>
<td><p>The expression template to use to instantiate the result expression. <span class="emphasis"><em>expr_template</em></span> must be an ExpressionTemplate.</p></td>
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<td><p><span class="term"><code class="computeroutput">op_name</code></span></p></td>
<td><p>The operator to be overloaded; this must be one of the <span class="bold"><strong>binary</strong></span> enumerators in <code class="computeroutput">expr_kind</code>, without the <code class="computeroutput">expr_kind::</code> qualification.</p></td>
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<td><p><span class="term"><code class="computeroutput">udt_trait</code></span></p></td>
<td><p>A trait template to use to constrain which types are accepted as template parameters to the defined operator overload. </p></td>
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<div class="copyright-footer">Copyright © 2018 T. Zachary Laine<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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